diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/exynos_dw_mmc.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c index 586002370d..cfbe13552a 100644 --- a/drivers/mmc/exynos_dw_mmc.c +++ b/drivers/mmc/exynos_dw_mmc.c @@ -80,11 +80,10 @@ static void exynos_dwmci_board_init(struct dwmci_host *host) exynos_dwmci_clksel(host); } -static int exynos_dwmci_core_init(struct dwmci_host *host, int index) +static int exynos_dwmci_core_init(struct dwmci_host *host) { unsigned int div; unsigned long freq, sclk; - struct dwmci_exynos_priv_data *priv = host->priv; if (host->bus_hz) freq = host->bus_hz; @@ -92,10 +91,10 @@ static int exynos_dwmci_core_init(struct dwmci_host *host, int index) freq = DWMMC_MAX_FREQ; /* request mmc clock vlaue of 52MHz. */ - sclk = get_mmc_clk(index); + sclk = get_mmc_clk(host->dev_index); div = DIV_ROUND_UP(sclk, freq); /* set the clock divisor for mmc */ - set_mmc_clk(index, div); + set_mmc_clk(host->dev_index, div); host->name = "EXYNOS DWMMC"; #ifdef CONFIG_EXYNOS5420 @@ -103,20 +102,12 @@ static int exynos_dwmci_core_init(struct dwmci_host *host, int index) #endif host->board_init = exynos_dwmci_board_init; - if (!priv->sdr_timing) { - if (index == 0) - priv->sdr_timing = DWMMC_MMC0_SDR_TIMING_VAL; - else if (index == 2) - priv->sdr_timing = DWMMC_MMC2_SDR_TIMING_VAL; - } - host->caps = MMC_MODE_DDR_52MHz; host->clksel = exynos_dwmci_clksel; - host->dev_index = index; host->get_mmc_clk = exynos_dwmci_get_clk; /* Add the mmc channel to be registered with mmc core */ if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) { - printf("DWMMC%d registration failed\n", index); + printf("DWMMC%d registration failed\n", host->dev_index); return -1; } return 0; @@ -126,18 +117,16 @@ static struct dwmci_host dwmci_host[DWMMC_MAX_CH_NUM]; static int do_dwmci_init(struct dwmci_host *host) { - int index, flag, err; - - index = host->dev_index; + int flag, err; flag = host->buswidth == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE; err = exynos_pinmux_config(host->dev_id, flag); if (err) { - printf("DWMMC%d not configure\n", index); + printf("DWMMC%d not configure\n", host->dev_index); return err; } - return exynos_dwmci_core_init(host, index); + return exynos_dwmci_core_init(host); } static int exynos_dwmci_get_config(const void *blob, int node, @@ -233,15 +222,13 @@ static int exynos_dwmci_process_node(const void *blob, int exynos_dwmmc_init(const void *blob) { - int compat_id; int node_list[DWMMC_MAX_CH_NUM]; int boot_dev_node; int err = 0, count; - compat_id = COMPAT_SAMSUNG_EXYNOS_DWMMC; - count = fdtdec_find_aliases_for_id(blob, "mmc", - compat_id, node_list, DWMMC_MAX_CH_NUM); + COMPAT_SAMSUNG_EXYNOS_DWMMC, node_list, + DWMMC_MAX_CH_NUM); /* For DWMMC always set boot device as mmc 0 */ if (count >= 3 && get_boot_mode() == BOOT_MODE_SD) { |